I've noticed this as well. I used to have a Neato XV21, but I got tired of dealing wiht costly filters and that it ate all of my cables. I do miss it because it

I've noticed this as well. I used to have a Neato XV21, but I got tired of dealing wiht costly filters and that it ate all of my cables. I do miss it because it was efficient and notified me when the dirt bin was full.